Answers for "select box change event in angular"

select onchange pass option value in angular 6

<select (change)="onChange($event.target.value)">
    <option *ngFor="let i of devices">{{i}}</option>
</select>

onChange(deviceValue) {
    console.log(deviceValue);
}

onchange event angular select

-------------For Two Way Data Binding-----------------
<select [ngModel]="selectedDevice" (ngModelChange)="onChange($event)" name="deviceText">
    <option [value]="i" *ngFor="let i of devices">{{i}}</option>
</select>

onChange(event){
selectedDevice=event;
  -----
  -----
}